package com.example.webone.dao;

import com.example.webone.pojo.Department;
import com.example.webone.pojo.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.text.SimpleDateFormat;
import java.util.*;

//员工dao
@Repository
public class EmployeeDao {
    //模拟数据库中的数据
    private static Map<Integer, Employee> employees = null;

    //员工所属部门
    @Autowired
    private DepartmentDao departmentDao;

    static {
        employees = new HashMap<>();

        employees.put(1001,new Employee(  1001,"AA","1622840727@qq.com",1,getTime(),new Department(101,"教学部")));
        employees.put(1002,new Employee(  1002,"BB","2622840727@qq.com",0,getTime(),new Department(102,"市场部")));
        employees.put(1003,new Employee(  1003,"CC","4622840727@qq.com",1,getTime(),new Department(103,"教研部")));
        employees.put(1004,new Employee(  1004,"DD","5628440727@qq.com",0,getTime(),new Department(104,"运营部")));
        employees.put(1005,new Employee(  1005,"FF","6022840727@qq.com",1,getTime(),new Department(105,"后勤部")));

    }
    //主键自增
    private static Integer initId = 1006;

    //增加一个员工
    public void save(Employee employee){
        if (employee.getId() == null){
            employee.setId(initId++);
        }
        employee.setDepartment(departmentDao.getDepartmentById(employee.getDepartment().getId()));
        employees.put(employee.getId(),employee);
    }

    //获取时间
    public static String getTime(){
        Date date = new Date();
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd");
        return simpleDateFormat.format(date);

    }

    //查询全部员工
    public Collection<Employee> getAll(){
        return employees.values();
    }

    //通过id查询员工
    public Employee getEmployeeById(Integer id){
        return employees.get(id);
    }

    //删除一个员工根据Id
    public void delete(Integer id){
        employees.remove(id);
    }
}
